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Ring Size Guide

If you already know how to measure your ring size, please use the sizing chart below to determine the exact size using your measurement. We support US, CA, AU and UK sizing. All of our rings are true to US sizing.

If you need to measure your ring size, please check our guide below the chart.

US & Canada UK & Australia Diameter (mm) Circumference (mm)
5 J 1/2 15.7 49.3
5.5 L 16.1 50.6
6 M 16.5 51.9
6.5 N 16.9 53.1
7 O 17.3 54.4
7.5 P 17.7 55.7
8 Q 18.1 57.0
8.5 Q 1/2 18.5 58.3
9 R 1/2 18.9 59.5
9.5 S 19.4 60.8
10 T 19.8 62.1
10.5 U 20.2 63.4
11 V 1/2 20.6 64.6
11.5 W 1/2 21.0 65.9
12 Y 21.4 67.2

How to Measure Your Ring Size

Materials Needed:

  • String, floss, or a thin strip of paper
  • Ruler with millimeter measurements
  • Pen or marker

Step 1: Prepare Your Measuring Tool

Take a string, piece of floss, or a thin strip of paper. Make sure it is long enough to wrap around your finger.

Step 2: Wrap the Measuring Tool Around Your Finger

Wrap the string, floss, or paper around the base of the finger on which you intend to wear the ring. Ensure it’s snug but not too tight; you should be able to slide it over your knuckle comfortably. For the most accurate measurement, avoid wrapping it too loosely.

Step 3: Mark the Measurement

With a pen or marker, mark where the end of the string or paper first overlaps with the rest of the material.

Step 4: Measure the Length

Lay your marked string or paper flat against a ruler and measure the length in millimeters up to the mark. This measurement is the circumference of your finger.

Step 5: Find Your Ring Size

Using the circumference measurement, consult the ring size chart above to find your corresponding ring size. If your measurement falls between two sizes, it’s generally recommended to choose the larger size for comfort.

Tips for Accurate Measurement

  • Measure at the End of the Day: Your fingers are typically at their largest at the end of the day, due to natural swelling.
  • Consider the Width of the Ring: Wider bands often require a larger size. If you’re choosing a ring with a wider band (over 6mm), consider going one size up.
  • Temperature Matters: Never measure your finger when it’s too cold or hot as this can cause your fingers to shrink or swell.
  • Use Several Attempts: To ensure accuracy, measure your finger three to four times at different times of the day. If you get different measurements, use the most common one.